1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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4 | <!ENTITY % general-entities SYSTEM "../general.ent">
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5 | %general-entities;
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6 | ]>
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7 |
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8 | <sect1 id="pre-hostreqs" xreflabel="Host System Requirements">
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9 | <?dbhtml filename="hostreqs.html"?>
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10 |
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11 | <title>Host System Requirements</title>
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12 |
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13 | <para>Your host system should have the following software with the
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14 | minimum versions indicated. This should not be an issue for most
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15 | modern Linux distributions. Also note that many distributions will
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16 | place software headers into separate packages, often in the form of
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17 | <quote><package-name>-devel</quote> or
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18 | <quote><package-name>-dev</quote>. Be sure to install those if
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19 | your distribution provides them.</para>
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20 |
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21 | <para>Earlier versions of the listed software packages may work, but have
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22 | not been tested.</para>
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23 |
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24 | <itemizedlist spacing="compact">
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25 |
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26 | <listitem>
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27 | <para><emphasis role="strong">Bash-3.2</emphasis> (/bin/sh
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28 | should be a symbolic or hard link to bash)</para>
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29 | </listitem>
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30 |
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31 | <listitem>
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32 | <para><emphasis role="strong">Binutils-2.17</emphasis> (Versions
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33 | greater than &binutils-version; are not recommended as they have
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34 | not been tested)</para>
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35 | </listitem>
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36 |
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37 | <listitem>
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38 | <para><emphasis role="strong">Bison-2.3</emphasis> (/usr/bin/yacc
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39 | should be a link to bison or small script that executes bison)</para>
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40 | </listitem>
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41 |
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42 | <listitem>
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43 | <para><emphasis role="strong">Bzip2-1.0.4</emphasis></para>
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44 | </listitem>
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45 |
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46 | <listitem>
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47 | <para><emphasis role="strong">Coreutils-6.9</emphasis></para>
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48 | </listitem>
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49 |
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50 | <listitem>
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51 | <para><emphasis role="strong">Diffutils-2.8.1</emphasis></para>
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52 | </listitem>
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53 |
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54 | <listitem>
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55 | <para><emphasis role="strong">Findutils-4.2.31</emphasis></para>
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56 | </listitem>
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57 |
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58 | <listitem>
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59 | <para><emphasis role="strong">Gawk-4.0.1</emphasis> (/usr/bin/awk
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60 | should be a link to gawk)</para>
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61 | </listitem>
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62 |
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63 | <listitem>
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64 | <para><emphasis role="strong">GCC-4.7</emphasis> including the C++
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65 | compiler, <command>g++</command> (Versions greater than &gcc-version; are
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66 | not recommended as they have not been tested)</para>
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67 |
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68 | <note><para>On some distributions, there have been reports that some
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69 | libraries used by gcc can be in an inconsistent state and that this
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70 | interferes with building some LFS packages. To check this, look in
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71 | /usr/lib and possibly /usr/lib64 for libgmp.la, libmpfr.la, and
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72 | libmpc.la. Either all three should be present or absent, but not only
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73 | one or two. If the problem exists on your system, either rename or
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74 | delete the .la files or install the appropriate missing
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75 | package.</para></note>
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76 |
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77 | </listitem>
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78 |
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79 | <listitem>
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80 | <para><emphasis role="strong">Glibc-2.11</emphasis> (Versions
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81 | greater than &glibc-version; are not recommended as they have
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82 | not been tested)</para>
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83 | </listitem>
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84 |
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85 | <listitem>
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86 | <para><emphasis role="strong">Grep-2.5.1a</emphasis></para>
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87 | </listitem>
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88 |
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89 | <listitem>
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90 | <para><emphasis role="strong">Gzip-1.3.12</emphasis></para>
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91 | </listitem>
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92 |
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93 | <listitem>
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94 | <para><emphasis role="strong">Linux Kernel-&min-kernel;</emphasis></para>
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95 |
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96 | <para>The reason for the kernel version requirement is that we specify
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97 | that version when building <application>glibc</application> in Chapter 6
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98 | at the recommendation of the developers. It is also required by
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99 | udev.</para>
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100 |
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101 | <para>If the host kernel is earlier than &min-kernel; you will need to replace
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102 | the kernel with a more up to date version. There are two ways
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103 | you can go about this. First, see if your Linux vendor provides a &min-kernel;
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104 | or later kernel package. If so, you may wish to install it. If your
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105 | vendor doesn't offer an acceptable kernel package, or you would prefer not to
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106 | install it, you can compile a kernel yourself. Instructions for
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107 | compiling the kernel and configuring the boot loader (assuming the host
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108 | uses GRUB) are located in <xref linkend="chapter-bootable"/>.</para>
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109 |
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110 | </listitem>
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111 |
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112 | <listitem>
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113 | <para><emphasis role="strong">M4-1.4.10</emphasis></para>
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114 | </listitem>
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115 |
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116 | <listitem>
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117 | <para><emphasis role="strong">Make-3.81</emphasis></para>
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118 | </listitem>
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119 |
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120 | <listitem>
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121 | <para><emphasis role="strong">Patch-2.5.4</emphasis></para>
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122 | </listitem>
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123 |
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124 | <listitem>
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125 | <para><emphasis role="strong">Perl-5.8.8</emphasis></para>
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126 | </listitem>
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127 |
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128 | <listitem>
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129 | <para><emphasis role="strong">Sed-4.1.5</emphasis></para>
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130 | </listitem>
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131 |
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132 | <listitem>
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133 | <para><emphasis role="strong">Tar-1.22</emphasis></para>
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134 | </listitem>
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135 |
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136 | <listitem>
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137 | <para><emphasis role="strong">Texinfo-4.7</emphasis></para>
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138 | </listitem>
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139 |
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140 | <listitem>
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141 | <para><emphasis role="strong">Xz-5.0.0</emphasis></para>
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142 | </listitem>
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143 |
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144 | </itemizedlist>
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145 |
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146 | <important>
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147 | <para>Note that the symlinks mentioned above are required to build an LFS
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148 | system using the instructions contained within this book. Symlinks that
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149 | point to other software (such as dash, mawk, etc.) may work, but are not
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150 | tested or supported by the LFS development team, and may require either
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151 | deviation from the instructions or additional patches to some
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152 | packages.</para>
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153 | </important>
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154 |
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155 | <!-- Use an empty sect2 element to prevent a pdf warning. -->
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156 | <bridgehead renderas="sect2"
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157 | id="version-check"
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158 | xreflabel="Host System Requirements">
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159 | </bridgehead>
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160 | <!--<title> </title>-->
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161 |
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162 | <para >To see whether your host system has all the appropriate versions, and
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163 | the ability to compile programs, run the following:</para>
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164 |
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165 | <!-- ANY additional lines in the script cause a pdf rendering problem-->
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166 | <screen role="nodump"><userinput>cat > version-check.sh << "EOF"
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167 | <literal>#!/bin/bash
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168 | # Simple script to list version numbers of critical development tools
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169 | export LC_ALL=C
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170 | bash --version | head -n1 | cut -d" " -f2-4
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171 | MYSH=$(readlink -f /bin/sh)
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172 | echo "/bin/sh -> $MYSH"
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173 | echo $MYSH | grep -q bash || echo "ERROR: /bin/sh does not point to bash"
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174 | unset MYSH
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175 |
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176 | echo -n "Binutils: "; ld --version | head -n1 | cut -d" " -f3-
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177 | bison --version | head -n1
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178 |
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179 | if [ -h /usr/bin/yacc ]; then
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180 | echo "/usr/bin/yacc -> `readlink -f /usr/bin/yacc`";
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181 | elif [ -x /usr/bin/yacc ]; then
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182 | echo yacc is `/usr/bin/yacc --version | head -n1`
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183 | else
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184 | echo "yacc not found"
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185 | fi
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186 |
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187 | bzip2 --version 2>&1 < /dev/null | head -n1 | cut -d" " -f1,6-
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188 | echo -n "Coreutils: "; chown --version | head -n1 | cut -d")" -f2
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189 | diff --version | head -n1
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190 | find --version | head -n1
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191 | gawk --version | head -n1
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192 |
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193 | if [ -h /usr/bin/awk ]; then
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194 | echo "/usr/bin/awk -> `readlink -f /usr/bin/awk`";
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195 | elif [ -x /usr/bin/awk ]; then
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196 | echo awk is `/usr/bin/awk --version | head -n1`
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197 | else
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198 | echo "awk not found"
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199 | fi
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200 |
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201 | gcc --version | head -n1
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202 | g++ --version | head -n1
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203 | ldd --version | head -n1 | cut -d" " -f2- # glibc version
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204 | grep --version | head -n1
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205 | gzip --version | head -n1
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206 | cat /proc/version
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207 | m4 --version | head -n1
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208 | make --version | head -n1
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209 | patch --version | head -n1
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210 | echo Perl `perl -V:version`
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211 | sed --version | head -n1
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212 | tar --version | head -n1
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213 | makeinfo --version | head -n1
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214 | xz --version | head -n1
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215 | <?hard-pagebreak?>
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216 | echo 'int main(){}' > dummy.c && g++ -o dummy dummy.c
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217 | if [ -x dummy ]
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218 | then echo "g++ compilation OK";
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219 | else echo "g++ compilation failed"; fi
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220 | rm -f dummy.c dummy</literal>
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221 | EOF
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222 |
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223 | bash version-check.sh</userinput></screen>
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224 |
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225 | <para>Also check for some library consistency:</para>
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226 |
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227 | <screen role="nodump"><userinput>cat > library-check.sh << "EOF"
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228 | <literal>#!/bin/bash
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229 | for lib in lib{gmp,mpfr,mpc}.la; do
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230 | echo $lib: $(if find /usr/lib* -name $lib|
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231 | grep -q $lib;then :;else echo not;fi) found
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232 | done
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233 | unset lib</literal>
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234 | EOF
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235 |
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236 | bash library-check.sh</userinput></screen>
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237 |
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238 | <para>The files identified by this script should be all present
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239 | or all absent, but not only one or two present.</para>
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240 |
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241 |
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242 | <!--</sect2>-->
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243 | </sect1>
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